L3 Linux/Kubernetes support/specialist
负责基于云的服务和基础设施的性能，可用性和可靠性，作为关键技术专家。主要任务包括但不限于：·管理，解决故障以及优化在 Kubernetes,Red Hat OpenShift 和 OpenStack 平台部署的容器应用程序和基础设施。·担任核心云基础设施技术的主题专家 (SME),包括高级 Linux (CentOS)系统管理，Docker/Containers 和复杂网络配置。· 领导复杂，严重的客户问题调查和解决，应用强大的分析知识来快速诊断整个云堆中的问题。· 利用你的专业知识迅速确定根本原因并实施有效，持久的客户事件解决方案。· 为识别系统性问题的关键事件做准备和进行严格的根源原因分析 (RCA). ·开发，测试和维护使用 Python 和 Ansible 的坚实的自动化脚本，以简化日常运营任务并提高整体服务效率。· 确定和实施自动化机会，以减少维护和部署活动的手工费用。·提供端到端升级，监测和紧急 (EME) 支持，作为最终升级点来确保服务可用性和满足 SLA. ·直接与客户团队和内部团队联系，了解需求并提供定制技术解决方案。·保持行业最佳实践和云和容器化的新兴技术的最新状态。安排：· 我们的团队运作基于日照模式，确保24小时覆盖和快速响应时间。虽然这有时可能需要在当地正常工作时间之外的班次，但总工作时间将与标准的工作周保持一致。· 一个轮流通话时间表是该职位的强制性组成部分。通话专家负责为紧急案件提供立即支持，包括直接联系客户 （通过通话/团队）和迅速参与指定战室进行案例调查和解决。· 所有干预都是在现场环境中进行，必须严格遵守标准网络接触政策，要求在紧急事件解决期间充分意识和遵守。需要涵盖这些服务的技能包括，但不限于：· Lin
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Responsible for the performance, availability, and reliability of our cloud-based services and underlying infrastructure, acting as a critical technical subject matter expert.
Main tasks include, but are not limited to:
· Manage, troubleshoot, and optimise containerised applications and infrastructure deployed on Kubernetes, Red Hat OpenShift, and OpenStack platforms.
- Serve as the Subject Matter Expert (SME) for core cloud infrastructure technologies, including advanced Linux (CentOS) system administration, Docker/Containers, and complex networking configurations.
- Lead the investigation and resolution of complex, high-severity customer issues, applying strong analytical knowledge to quickly diagnose problems across the entire cloud stack.
- Utilise your expertise to quickly identify root causes and implement effective, durable solutions for customer incidents.
- Prepare and conduct rigorous Root Cause Analysis (RCA) for critical incidents to identify systemic issues and prevent recurrence.
- Develop, test, and maintain robust automation scripts using Python and Ansible to streamline daily operational tasks and improve overall service efficiency.
- Identify and implement automation opportunities to reduce manual effort in maintenance and deployment activities.
- Provide end-to-end Escalation, Monitoring, and Emergency (EME) support, acting as a final escalation point to ensure service availability and meet SLAs.
- Liaise directly with the customer team and internal teams to understand requirements and deliver tailored technical solutions.
- Stay current with industry best practices and emerging technologies in cloud and containerization.
Scheduling:
- Our team operates on a follow-the-sun model, ensuring 24/7 coverage and rapid response times. While this may occasionally require shifts outside typical local business hours, the total work hours will remain consistent with a standard work week.
- A rotational on-call schedule is a mandatory part of this position. On-call experts are responsible for providing immediate support for urgent cases, including direct customer contact (via call/Teams) and prompt engagement in designated war rooms for case investigation and resolution.
- All interventions are performed in live environments and must strictly follow the Standard Network Touch Policy, requiring full awareness and compliance during urgent case resolution.
Skill set required to cover these services includes, but is not limited to:
- Linux Expertise: Strong knowledge and proven hands-on experience with Linux administration.
- Networking Foundations: Strong knowledge of core networking principles (TCP/IP, routing, load balancing, firewalls) in a cloud environment.
- Containerization & Virtualisation: Strong knowledge of Kubernetes orchestration, OpenStack platforms, and Docker/Containerization.
- Problem-Solving Mindset: Possess sharp troubleshooting skills combined with an analytical mindset to dissect and address complex challenges.
- Scripting and Automation: Solid Python scripting skills for task automation and system management.
- Configuration Management:Hands-on experience with Ansible for configuration management.’
- Root Cause Analysis (RCA):Expertise in preparation and implementation of RCAs.
- Escalation and Monitoring:Proven experience with EME (Escalation, Monitoring, and Emergency) management processes.
One or more certifications from the list below will be considered an added advantage:
Red Hat Certified Specialist in Cloud Infrastructure (EX210), Red Hat Certified Engineer (RHCE) in Red Hat OpenStack (EX310), RHCSA, RHCE, CKA, EX280 (Red Hat Certified Specialist in OpenShift Administration), EX380 (Red Hat Certified Specialist in OpenShift Automation and API Management).
Communication & Attitude:
· Excellent communication skills (written and verbal) and the ability to articulate complex issues clearly.
· Demonstrated ability to handle customer pressure and manage expectations with a positive, professional attitude.
Strong team player, self-motivated, and capable of excelling in a high-pressure, dynamic support environment.
Originally posted on Himalayas